Best Buy offers the Canon EF 100mm f/2.8 Macro USM Camera Lens, model no. 4657A006, for $449.99 with free shipping. That’s tied with our mention from a week ago as the lowest total price we’ve seen for this lens. (It’s also a current price low by $49.) Sales tax is added where applicable. It features auto-focus, full-time manual auto-focus override, a working distance of 5.9″ at 1x, and more.